Finding the Fourth Proportional to 1,989.50, 2,746.51 and 1,193.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,989.50 : 2,746.51 = 1,193.27 : x
2. Step 2: Convert to fraction form
   1,989.50/2,746.51 = 1,193.27/x
3. Step 3: Cross multiply
   1,989.50x = 2,746.51 × 1,193.27
4. Step 4: Simplify right side
   1,989.50x = 3,277,311.27
5. Step 5: Solve for x
   x = 3,277,311.27/1,989.50
6. Step 6: Final answer
   x = 1,647.31